34 	int err;  in snd_dg00x_stream_get_local_rate()  local
36 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_local_rate()
39 	if (err < 0)  in snd_dg00x_stream_get_local_rate()
40 		return err;  in snd_dg00x_stream_get_local_rate()
46 		err = -EIO;  in snd_dg00x_stream_get_local_rate()
48 	return err;  in snd_dg00x_stream_get_local_rate()
73 	int err;  in snd_dg00x_stream_get_clock()  local
75 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_clock()
78 	if (err < 0)  in snd_dg00x_stream_get_clock()
79 		return err;  in snd_dg00x_stream_get_clock()
83 		err = -EIO;  in snd_dg00x_stream_get_clock()
85 	return err;  in snd_dg00x_stream_get_clock()
91 	int err;  in snd_dg00x_stream_check_external_clock()  local
93 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_check_external_clock()
96 	if (err >= 0)  in snd_dg00x_stream_check_external_clock()
99 	return err;  in snd_dg00x_stream_check_external_clock()
107 	int err;  in snd_dg00x_stream_get_external_rate()  local
109 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in snd_dg00x_stream_get_external_rate()
112 	if (err < 0)  in snd_dg00x_stream_get_external_rate()
113 		return err;  in snd_dg00x_stream_get_external_rate()
120 		err = -EBUSY;  in snd_dg00x_stream_get_external_rate()
122 	return err;  in snd_dg00x_stream_get_external_rate()
149 	int err;  in begin_session()  local
154 	err = snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST,  in begin_session()
157 	if (err < 0)  in begin_session()
158 		return err;  in begin_session()
160 	err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,  in begin_session()
163 	if (err < 0)  in begin_session()
164 		return err;  in begin_session()
173 		err = snd_fw_transaction(dg00x->unit,  in begin_session()
178 		if (err < 0)  in begin_session()
185 	return err;  in begin_session()
193 	int err;  in keep_resources()  local
208 	err = amdtp_dot_set_parameters(stream, rate,  in keep_resources()
210 	if (err < 0)  in keep_resources()
211 		return err;  in keep_resources()
222 	int err;  in init_stream()  local
232 	err = fw_iso_resources_init(resources, dg00x->unit);  in init_stream()
233 	if (err < 0)  in init_stream()
234 		return err;  in init_stream()
236 	err = amdtp_dot_init(s, dg00x->unit, dir);  in init_stream()
237 	if (err < 0)  in init_stream()
240 	return err;  in init_stream()
255 	int err;  in snd_dg00x_stream_init_duplex()  local
257 	err = init_stream(dg00x, &dg00x->rx_stream);  in snd_dg00x_stream_init_duplex()
258 	if (err < 0)  in snd_dg00x_stream_init_duplex()
259 		return err;  in snd_dg00x_stream_init_duplex()
261 	err = init_stream(dg00x, &dg00x->tx_stream);  in snd_dg00x_stream_init_duplex()
262 	if (err < 0) {  in snd_dg00x_stream_init_duplex()
264 		return err;  in snd_dg00x_stream_init_duplex()
267 	err = amdtp_domain_init(&dg00x->domain);  in snd_dg00x_stream_init_duplex()
268 	if (err < 0) {  in snd_dg00x_stream_init_duplex()
273 	return err;  in snd_dg00x_stream_init_duplex()
293 	int err;  in snd_dg00x_stream_reserve_duplex()  local
295 	err = snd_dg00x_stream_get_local_rate(dg00x, &curr_rate);  in snd_dg00x_stream_reserve_duplex()
296 	if (err < 0)  in snd_dg00x_stream_reserve_duplex()
297 		return err;  in snd_dg00x_stream_reserve_duplex()
309 		err = snd_dg00x_stream_set_local_rate(dg00x, rate);  in snd_dg00x_stream_reserve_duplex()
310 		if (err < 0)  in snd_dg00x_stream_reserve_duplex()
311 			return err;  in snd_dg00x_stream_reserve_duplex()
313 		err = keep_resources(dg00x, &dg00x->rx_stream, rate);  in snd_dg00x_stream_reserve_duplex()
314 		if (err < 0)  in snd_dg00x_stream_reserve_duplex()
315 			return err;  in snd_dg00x_stream_reserve_duplex()
317 		err = keep_resources(dg00x, &dg00x->tx_stream, rate);  in snd_dg00x_stream_reserve_duplex()
318 		if (err < 0) {  in snd_dg00x_stream_reserve_duplex()
320 			return err;  in snd_dg00x_stream_reserve_duplex()
323 		err = amdtp_domain_set_events_per_period(&dg00x->domain,  in snd_dg00x_stream_reserve_duplex()
325 		if (err < 0) {  in snd_dg00x_stream_reserve_duplex()
328 			return err;  in snd_dg00x_stream_reserve_duplex()
338 	int err = 0;  in snd_dg00x_stream_start_duplex()  local
350 		err = fw_iso_resources_update(&dg00x->tx_resources);  in snd_dg00x_stream_start_duplex()
351 		if (err < 0)  in snd_dg00x_stream_start_duplex()
354 		err = fw_iso_resources_update(&dg00x->rx_resources);  in snd_dg00x_stream_start_duplex()
355 		if (err < 0)  in snd_dg00x_stream_start_duplex()
366 		err = begin_session(dg00x);  in snd_dg00x_stream_start_duplex()
367 		if (err < 0)  in snd_dg00x_stream_start_duplex()
370 		err = amdtp_domain_add_stream(&dg00x->domain, &dg00x->rx_stream,  in snd_dg00x_stream_start_duplex()
372 		if (err < 0)  in snd_dg00x_stream_start_duplex()
375 		err = amdtp_domain_add_stream(&dg00x->domain, &dg00x->tx_stream,  in snd_dg00x_stream_start_duplex()
377 		if (err < 0)  in snd_dg00x_stream_start_duplex()
384 		err = amdtp_domain_start(&dg00x->domain, 0, true, true);  in snd_dg00x_stream_start_duplex()
385 		if (err < 0)  in snd_dg00x_stream_start_duplex()
389 			err = -ETIMEDOUT;  in snd_dg00x_stream_start_duplex()
399 	return err;  in snd_dg00x_stream_start_duplex()
430 	int err;  in snd_dg00x_stream_lock_try()  local
436 		err = -EBUSY;  in snd_dg00x_stream_lock_try()
443 	err = 0;  in snd_dg00x_stream_lock_try()
446 	return err;  in snd_dg00x_stream_lock_try()